Install Norton

If you are not signed in to Norton already, you are prompted to sign in. Type in your email address and password for Norton, and click Sign In.

In the Get Started window, click Download Norton.

Click Agree & Download.

Click OK to save and open the Setup.zip file.

When the download finishes, double-click the Norton product Installer.

Click Agree & Install to start the installation.

If you see a prompt to join Norton Community Watch, click Join Now.

If you do not want to join Norton Community Watch, click Maybe Later. To know more, click Learn More in the prompt window.

When you see a prompt, type your administrator account password, and then click Install Helper.

During installation on macOS 10.13.x or later, you may see a message saying that "System software was blocked from loading..." depending on your security settings. Click Allow to continue. If you have multiple software installed on your Mac that requires authentication, then select Symantec, and click OK.